Question

Which animal blood is blue​

Answer 1

Answer:

sqiud , octopus , horseshoe , crab are blue blooded animals

Answer 2

Explanation:

Crustaceans, spiders, squid, octopuses, and some molluscs all have blue blood.

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They have different respiratory pigment. Rather than haemoglobin, these creatures use a protein called haemocyanin to transport oxygen.